Finding the Fourth Proportional to 112,401.27, 155,111.93 and 61,412.91

Step by Step Solution

1. Step 1: Write the proportion equation
   112,401.27 : 155,111.93 = 61,412.91 : x
2. Step 2: Convert to fraction form
   112,401.27/155,111.93 = 61,412.91/x
3. Step 3: Cross multiply
   112,401.27x = 155,111.93 × 61,412.91
4. Step 4: Simplify right side
   112,401.27x = 9,525,874,997.02
5. Step 5: Solve for x
   x = 9,525,874,997.02/112,401.27
6. Step 6: Final answer
   x = 84,748.82