Finding the Fourth Proportional to 83,669,123.55, 125,503,685.33 and 83,190,826.65

Step by Step Solution

1. Step 1: Write the proportion equation
   83,669,123.55 : 125,503,685.33 = 83,190,826.65 : x
2. Step 2: Convert to fraction form
   83,669,123.55/125,503,685.33 = 83,190,826.65/x
3. Step 3: Cross multiply
   83,669,123.55x = 125,503,685.33 × 83,190,826.65
4. Step 4: Simplify right side
   83,669,123.55x = 10,440,755,329,808,224
5. Step 5: Solve for x
   x = 10,440,755,329,808,224/83,669,123.55
6. Step 6: Final answer
   x = 124,786,239.98