Finding the Fourth Proportional to 233,034,931.89, 349,513,425.49 and 85,451,994.72

Step by Step Solution

1. Step 1: Write the proportion equation
   233,034,931.89 : 349,513,425.49 = 85,451,994.72 : x
2. Step 2: Convert to fraction form
   233,034,931.89/349,513,425.49 = 85,451,994.72/x
3. Step 3: Cross multiply
   233,034,931.89x = 349,513,425.49 × 85,451,994.72
4. Step 4: Simplify right side
   233,034,931.89x = 29,866,619,389,540,592
5. Step 5: Solve for x
   x = 29,866,619,389,540,592/233,034,931.89
6. Step 6: Final answer
   x = 128,163,701.24