Finding the Fourth Proportional to 99,069.98, 136,731.59 and 63,283.83

Step by Step Solution

1. Step 1: Write the proportion equation
   99,069.98 : 136,731.59 = 63,283.83 : x
2. Step 2: Convert to fraction form
   99,069.98/136,731.59 = 63,283.83/x
3. Step 3: Cross multiply
   99,069.98x = 136,731.59 × 63,283.83
4. Step 4: Simplify right side
   99,069.98x = 8,652,898,380.77
5. Step 5: Solve for x
   x = 8,652,898,380.77/99,069.98
6. Step 6: Final answer
   x = 87,341.27