Finding the Fourth Proportional to 85,626,938.82, 128,404,191.51 and 34,495,228.74

Step by Step Solution

1. Step 1: Write the proportion equation
   85,626,938.82 : 128,404,191.51 = 34,495,228.74 : x
2. Step 2: Convert to fraction form
   85,626,938.82/128,404,191.51 = 34,495,228.74/x
3. Step 3: Cross multiply
   85,626,938.82x = 128,404,191.51 × 34,495,228.74
4. Step 4: Simplify right side
   85,626,938.82x = 4,429,331,957,312,216.50
5. Step 5: Solve for x
   x = 4,429,331,957,312,216.50/85,626,938.82
6. Step 6: Final answer
   x = 51,728,253.03