Finding the Fourth Proportional to 99,832.32, 137,768.91 and 54,510.69

Step by Step Solution

1. Step 1: Write the proportion equation
   99,832.32 : 137,768.91 = 54,510.69 : x
2. Step 2: Convert to fraction form
   99,832.32/137,768.91 = 54,510.69/x
3. Step 3: Cross multiply
   99,832.32x = 137,768.91 × 54,510.69
4. Step 4: Simplify right side
   99,832.32x = 7,509,878,344.65
5. Step 5: Solve for x
   x = 7,509,878,344.65/99,832.32
6. Step 6: Final answer
   x = 75,224.92