Finding the Fourth Proportional to 99,058.17, 136,699.83 and 53,736.18

Step by Step Solution

1. Step 1: Write the proportion equation
   99,058.17 : 136,699.83 = 53,736.18 : x
2. Step 2: Convert to fraction form
   99,058.17/136,699.83 = 53,736.18/x
3. Step 3: Cross multiply
   99,058.17x = 136,699.83 × 53,736.18
4. Step 4: Simplify right side
   99,058.17x = 7,345,726,670.85
5. Step 5: Solve for x
   x = 7,345,726,670.85/99,058.17
6. Step 6: Final answer
   x = 74,155.69