Finding the Fourth Proportional to 99,222.83, 136,923.57 and 58,935.53

Step by Step Solution

1. Step 1: Write the proportion equation
   99,222.83 : 136,923.57 = 58,935.53 : x
2. Step 2: Convert to fraction form
   99,222.83/136,923.57 = 58,935.53/x
3. Step 3: Cross multiply
   99,222.83x = 136,923.57 × 58,935.53
4. Step 4: Simplify right side
   99,222.83x = 8,069,662,482.82
5. Step 5: Solve for x
   x = 8,069,662,482.82/99,222.83
6. Step 6: Final answer
   x = 81,328.69