Finding the Fourth Proportional to 91,428.84, 137,149.34 and 35,295.72

Step by Step Solution

1. Step 1: Write the proportion equation
   91,428.84 : 137,149.34 = 35,295.72 : x
2. Step 2: Convert to fraction form
   91,428.84/137,149.34 = 35,295.72/x
3. Step 3: Cross multiply
   91,428.84x = 137,149.34 × 35,295.72
4. Step 4: Simplify right side
   91,428.84x = 4,840,784,702.82
5. Step 5: Solve for x
   x = 4,840,784,702.82/91,428.84
6. Step 6: Final answer
   x = 52,945.93