Finding the Fourth Proportional to 156,907.03, 216,524.52 and 88,920.02

Step by Step Solution

1. Step 1: Write the proportion equation
   156,907.03 : 216,524.52 = 88,920.02 : x
2. Step 2: Convert to fraction form
   156,907.03/216,524.52 = 88,920.02/x
3. Step 3: Cross multiply
   156,907.03x = 216,524.52 × 88,920.02
4. Step 4: Simplify right side
   156,907.03x = 19,253,364,648.89
5. Step 5: Solve for x
   x = 19,253,364,648.89/156,907.03
6. Step 6: Final answer
   x = 122,705.56