Finding the Fourth Proportional to 111,657.56, 154,088.06 and 60,670.71

Step by Step Solution

1. Step 1: Write the proportion equation
   111,657.56 : 154,088.06 = 60,670.71 : x
2. Step 2: Convert to fraction form
   111,657.56/154,088.06 = 60,670.71/x
3. Step 3: Cross multiply
   111,657.56x = 154,088.06 × 60,670.71
4. Step 4: Simplify right side
   111,657.56x = 9,348,631,699.37
5. Step 5: Solve for x
   x = 9,348,631,699.37/111,657.56
6. Step 6: Final answer
   x = 83,725.92