Finding the Fourth Proportional to 91,029.86, 136,606.71 and 55,862.18

Step by Step Solution

1. Step 1: Write the proportion equation
   91,029.86 : 136,606.71 = 55,862.18 : x
2. Step 2: Convert to fraction form
   91,029.86/136,606.71 = 55,862.18/x
3. Step 3: Cross multiply
   91,029.86x = 136,606.71 × 55,862.18
4. Step 4: Simplify right side
   91,029.86x = 7,631,148,623.23
5. Step 5: Solve for x
   x = 7,631,148,623.23/91,029.86
6. Step 6: Final answer
   x = 83,831.27