Finding the Fourth Proportional to 91,030.86, 136,608.22 and 55,863.18

Step by Step Solution

1. Step 1: Write the proportion equation
   91,030.86 : 136,608.22 = 55,863.18 : x
2. Step 2: Convert to fraction form
   91,030.86/136,608.22 = 55,863.18/x
3. Step 3: Cross multiply
   91,030.86x = 136,608.22 × 55,863.18
4. Step 4: Simplify right side
   91,030.86x = 7,631,369,583.34
5. Step 5: Solve for x
   x = 7,631,369,583.34/91,030.86
6. Step 6: Final answer
   x = 83,832.77