Finding the Fourth Proportional to 2,900,710,989.99, 4,351,061,051.51 and 908,905,529.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,900,710,989.99 : 4,351,061,051.51 = 908,905,529.52 : x
2. Step 2: Convert to fraction form
   2,900,710,989.99/4,351,061,051.51 = 908,905,529.52/x
3. Step 3: Cross multiply
   2,900,710,989.99x = 4,351,061,051.51 × 908,905,529.52
4. Step 4: Simplify right side
   2,900,710,989.99x = 3,954,703,448,992,000,000
5. Step 5: Solve for x
   x = 3,954,703,448,992,000,000/2,900,710,989.99
6. Step 6: Final answer
   x = 1,363,356,591.76