Finding the Fourth Proportional to 99,222.98, 136,927.16 and 53,900.59

Step by Step Solution

1. Step 1: Write the proportion equation
   99,222.98 : 136,927.16 = 53,900.59 : x
2. Step 2: Convert to fraction form
   99,222.98/136,927.16 = 53,900.59/x
3. Step 3: Cross multiply
   99,222.98x = 136,927.16 × 53,900.59
4. Step 4: Simplify right side
   99,222.98x = 7,380,454,558.07
5. Step 5: Solve for x
   x = 7,380,454,558.07/99,222.98
6. Step 6: Final answer
   x = 74,382.52