Finding the Fourth Proportional to 156,185.83, 215,527.93 and 91,646.38

Step by Step Solution

1. Step 1: Write the proportion equation
   156,185.83 : 215,527.93 = 91,646.38 : x
2. Step 2: Convert to fraction form
   156,185.83/215,527.93 = 91,646.38/x
3. Step 3: Cross multiply
   156,185.83x = 215,527.93 × 91,646.38
4. Step 4: Simplify right side
   156,185.83x = 19,752,354,573.39
5. Step 5: Solve for x
   x = 19,752,354,573.39/156,185.83
6. Step 6: Final answer
   x = 126,467.01