Finding the Fourth Proportional to 99,345.84, 137,094.57 and 56,333.22

Step by Step Solution

1. Step 1: Write the proportion equation
   99,345.84 : 137,094.57 = 56,333.22 : x
2. Step 2: Convert to fraction form
   99,345.84/137,094.57 = 56,333.22/x
3. Step 3: Cross multiply
   99,345.84x = 137,094.57 × 56,333.22
4. Step 4: Simplify right side
   99,345.84x = 7,722,978,572.62
5. Step 5: Solve for x
   x = 7,722,978,572.62/99,345.84
6. Step 6: Final answer
   x = 77,738.32