Finding the Fourth Proportional to 94,640.69, 141,820.78 and 38,412.39

Step by Step Solution

1. Step 1: Write the proportion equation
   94,640.69 : 141,820.78 = 38,412.39 : x
2. Step 2: Convert to fraction form
   94,640.69/141,820.78 = 38,412.39/x
3. Step 3: Cross multiply
   94,640.69x = 141,820.78 × 38,412.39
4. Step 4: Simplify right side
   94,640.69x = 5,447,675,111.46
5. Step 5: Solve for x
   x = 5,447,675,111.46/94,640.69
6. Step 6: Final answer
   x = 57,561.66