Finding the Fourth Proportional to 156,384.89, 215,805.89 and 92,684.87

Step by Step Solution

1. Step 1: Write the proportion equation
   156,384.89 : 215,805.89 = 92,684.87 : x
2. Step 2: Convert to fraction form
   156,384.89/215,805.89 = 92,684.87/x
3. Step 3: Cross multiply
   156,384.89x = 215,805.89 × 92,684.87
4. Step 4: Simplify right side
   156,384.89x = 20,001,940,012.57
5. Step 5: Solve for x
   x = 20,001,940,012.57/156,384.89
6. Step 6: Final answer
   x = 127,902.00