Finding the Fourth Proportional to 156,301.88, 215,683.83 and 91,764.32

Step by Step Solution

1. Step 1: Write the proportion equation
   156,301.88 : 215,683.83 = 91,764.32 : x
2. Step 2: Convert to fraction form
   156,301.88/215,683.83 = 91,764.32/x
3. Step 3: Cross multiply
   156,301.88x = 215,683.83 × 91,764.32
4. Step 4: Simplify right side
   156,301.88x = 19,792,079,994.95
5. Step 5: Solve for x
   x = 19,792,079,994.95/156,301.88
6. Step 6: Final answer
   x = 126,627.27