Finding the Fourth Proportional to 112,955.52, 155,897.32 and 62,670.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,955.52 : 155,897.32 = 62,670.72 : x
2. Step 2: Convert to fraction form
   112,955.52/155,897.32 = 62,670.72/x
3. Step 3: Cross multiply
   112,955.52x = 155,897.32 × 62,670.72
4. Step 4: Simplify right side
   112,955.52x = 9,770,197,290.47
5. Step 5: Solve for x
   x = 9,770,197,290.47/112,955.52
6. Step 6: Final answer
   x = 86,495.97