Finding the Fourth Proportional to 156,818.86, 235,192.82 and 72,532.77

Step by Step Solution

1. Step 1: Write the proportion equation
   156,818.86 : 235,192.82 = 72,532.77 : x
2. Step 2: Convert to fraction form
   156,818.86/235,192.82 = 72,532.77/x
3. Step 3: Cross multiply
   156,818.86x = 235,192.82 × 72,532.77
4. Step 4: Simplify right side
   156,818.86x = 17,059,186,718.71
5. Step 5: Solve for x
   x = 17,059,186,718.71/156,818.86
6. Step 6: Final answer
   x = 108,782.75