Finding the Fourth Proportional to 93,144.62, 139,726.86 and 39,842.10

Step by Step Solution

1. Step 1: Write the proportion equation
   93,144.62 : 139,726.86 = 39,842.10 : x
2. Step 2: Convert to fraction form
   93,144.62/139,726.86 = 39,842.10/x
3. Step 3: Cross multiply
   93,144.62x = 139,726.86 × 39,842.10
4. Step 4: Simplify right side
   93,144.62x = 5,567,011,528.81
5. Step 5: Solve for x
   x = 5,567,011,528.81/93,144.62
6. Step 6: Final answer
   x = 59,767.40