Finding the Fourth Proportional to 156,499.98, 215,936.73 and 92,858.46

Step by Step Solution

1. Step 1: Write the proportion equation
   156,499.98 : 215,936.73 = 92,858.46 : x
2. Step 2: Convert to fraction form
   156,499.98/215,936.73 = 92,858.46/x
3. Step 3: Cross multiply
   156,499.98x = 215,936.73 × 92,858.46
4. Step 4: Simplify right side
   156,499.98x = 20,051,552,205.24
5. Step 5: Solve for x
   x = 20,051,552,205.24/156,499.98
6. Step 6: Final answer
   x = 128,124.95