Finding the Fourth Proportional to 284,156,119.71, 426,249,222.50 and 90,082,672.83

Step by Step Solution

1. Step 1: Write the proportion equation
   284,156,119.71 : 426,249,222.50 = 90,082,672.83 : x
2. Step 2: Convert to fraction form
   284,156,119.71/426,249,222.50 = 90,082,672.83/x
3. Step 3: Cross multiply
   284,156,119.71x = 426,249,222.50 × 90,082,672.83
4. Step 4: Simplify right side
   284,156,119.71x = 38,397,669,254,058,960
5. Step 5: Solve for x
   x = 38,397,669,254,058,960/284,156,119.71
6. Step 6: Final answer
   x = 135,128,778.13