Finding the Fourth Proportional to 89,342.49, 123,253.32 and 55,341.93

Step by Step Solution

1. Step 1: Write the proportion equation
   89,342.49 : 123,253.32 = 55,341.93 : x
2. Step 2: Convert to fraction form
   89,342.49/123,253.32 = 55,341.93/x
3. Step 3: Cross multiply
   89,342.49x = 123,253.32 × 55,341.93
4. Step 4: Simplify right side
   89,342.49x = 6,821,076,607.71
5. Step 5: Solve for x
   x = 6,821,076,607.71/89,342.49
6. Step 6: Final answer
   x = 76,347.51