Finding the Fourth Proportional to 2,172,308,274.42, 2,998,101,307.32 and 1,219,795,941.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,308,274.42 : 2,998,101,307.32 = 1,219,795,941.30 : x
2. Step 2: Convert to fraction form
   2,172,308,274.42/2,998,101,307.32 = 1,219,795,941.30/x
3. Step 3: Cross multiply
   2,172,308,274.42x = 2,998,101,307.32 × 1,219,795,941.30
4. Step 4: Simplify right side
   2,172,308,274.42x = 3,657,071,806,275,160,064
5. Step 5: Solve for x
   x = 3,657,071,806,275,160,064/2,172,308,274.42
6. Step 6: Final answer
   x = 1,683,495,776.98