Finding the Fourth Proportional to 2,611,116,307.60, 3,603,428,941.12 and 1,421,731,404.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611,116,307.60 : 3,603,428,941.12 = 1,421,731,404.16 : x
2. Step 2: Convert to fraction form
   2,611,116,307.60/3,603,428,941.12 = 1,421,731,404.16/x
3. Step 3: Cross multiply
   2,611,116,307.60x = 3,603,428,941.12 × 1,421,731,404.16
4. Step 4: Simplify right side
   2,611,116,307.60x = 5,123,108,088,249,319,424
5. Step 5: Solve for x
   x = 5,123,108,088,249,319,424/2,611,116,307.60
6. Step 6: Final answer
   x = 1,962,037,490.76