Finding the Fourth Proportional to 117,830.50, 176,792.63 and 42,955.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117,830.50 : 176,792.63 = 42,955.72 : x
2. Step 2: Convert to fraction form
   117,830.50/176,792.63 = 42,955.72/x
3. Step 3: Cross multiply
   117,830.50x = 176,792.63 × 42,955.72
4. Step 4: Simplify right side
   117,830.50x = 7,594,254,055.58
5. Step 5: Solve for x
   x = 7,594,254,055.58/117,830.50
6. Step 6: Final answer
   x = 64,450.67