Finding the Fourth Proportional to 94,454.02, 141,680.89 and 64,781.90

Step by Step Solution

1. Step 1: Write the proportion equation
   94,454.02 : 141,680.89 = 64,781.90 : x
2. Step 2: Convert to fraction form
   94,454.02/141,680.89 = 64,781.90/x
3. Step 3: Cross multiply
   94,454.02x = 141,680.89 × 64,781.90
4. Step 4: Simplify right side
   94,454.02x = 9,178,357,247.89
5. Step 5: Solve for x
   x = 9,178,357,247.89/94,454.02
6. Step 6: Final answer
   x = 97,172.75