Finding the Fourth Proportional to 91,300.89, 136,951.29 and 34,385.52

Step by Step Solution

1. Step 1: Write the proportion equation
   91,300.89 : 136,951.29 = 34,385.52 : x
2. Step 2: Convert to fraction form
   91,300.89/136,951.29 = 34,385.52/x
3. Step 3: Cross multiply
   91,300.89x = 136,951.29 × 34,385.52
4. Step 4: Simplify right side
   91,300.89x = 4,709,141,321.32
5. Step 5: Solve for x
   x = 4,709,141,321.32/91,300.89
6. Step 6: Final answer
   x = 51,578.26