Finding the Fourth Proportional to 112,137.37, 154,753.30 and 61,152.89

Step by Step Solution

1. Step 1: Write the proportion equation
   112,137.37 : 154,753.30 = 61,152.89 : x
2. Step 2: Convert to fraction form
   112,137.37/154,753.30 = 61,152.89/x
3. Step 3: Cross multiply
   112,137.37x = 154,753.30 × 61,152.89
4. Step 4: Simplify right side
   112,137.37x = 9,463,610,834.71
5. Step 5: Solve for x
   x = 9,463,610,834.71/112,137.37
6. Step 6: Final answer
   x = 84,393.02