Finding the Fourth Proportional to 99,168.12, 136,832.76 and 58,894.52

Step by Step Solution

1. Step 1: Write the proportion equation
   99,168.12 : 136,832.76 = 58,894.52 : x
2. Step 2: Convert to fraction form
   99,168.12/136,832.76 = 58,894.52/x
3. Step 3: Cross multiply
   99,168.12x = 136,832.76 × 58,894.52
4. Step 4: Simplify right side
   99,168.12x = 8,058,699,036.31
5. Step 5: Solve for x
   x = 8,058,699,036.31/99,168.12
6. Step 6: Final answer
   x = 81,263.00