Finding the Fourth Proportional to 99,384.98, 137,152.20 and 54,063.96

Step by Step Solution

1. Step 1: Write the proportion equation
   99,384.98 : 137,152.20 = 54,063.96 : x
2. Step 2: Convert to fraction form
   99,384.98/137,152.20 = 54,063.96/x
3. Step 3: Cross multiply
   99,384.98x = 137,152.20 × 54,063.96
4. Step 4: Simplify right side
   99,384.98x = 7,414,991,054.71
5. Step 5: Solve for x
   x = 7,414,991,054.71/99,384.98
6. Step 6: Final answer
   x = 74,608.77