Finding the Fourth Proportional to 112,839.08, 155,719.81 and 61,157.82

Step by Step Solution

1. Step 1: Write the proportion equation
   112,839.08 : 155,719.81 = 61,157.82 : x
2. Step 2: Convert to fraction form
   112,839.08/155,719.81 = 61,157.82/x
3. Step 3: Cross multiply
   112,839.08x = 155,719.81 × 61,157.82
4. Step 4: Simplify right side
   112,839.08x = 9,523,484,705.71
5. Step 5: Solve for x
   x = 9,523,484,705.71/112,839.08
6. Step 6: Final answer
   x = 84,398.82