Finding the Fourth Proportional to 99,410.08, 137,153.04 and 56,384.32

Step by Step Solution

1. Step 1: Write the proportion equation
   99,410.08 : 137,153.04 = 56,384.32 : x
2. Step 2: Convert to fraction form
   99,410.08/137,153.04 = 56,384.32/x
3. Step 3: Cross multiply
   99,410.08x = 137,153.04 × 56,384.32
4. Step 4: Simplify right side
   99,410.08x = 7,733,280,896.33
5. Step 5: Solve for x
   x = 7,733,280,896.33/99,410.08
6. Step 6: Final answer
   x = 77,791.72