Finding the Fourth Proportional to 156,824.76, 216,402.52 and 88,828.16

Step by Step Solution

1. Step 1: Write the proportion equation
   156,824.76 : 216,402.52 = 88,828.16 : x
2. Step 2: Convert to fraction form
   156,824.76/216,402.52 = 88,828.16/x
3. Step 3: Cross multiply
   156,824.76x = 216,402.52 × 88,828.16
4. Step 4: Simplify right side
   156,824.76x = 19,222,637,670.96
5. Step 5: Solve for x
   x = 19,222,637,670.96/156,824.76
6. Step 6: Final answer
   x = 122,574.00