Finding the Fourth Proportional to 81,667.08, 122,385.78 and 64,952.94

Step by Step Solution

1. Step 1: Write the proportion equation
   81,667.08 : 122,385.78 = 64,952.94 : x
2. Step 2: Convert to fraction form
   81,667.08/122,385.78 = 64,952.94/x
3. Step 3: Cross multiply
   81,667.08x = 122,385.78 × 64,952.94
4. Step 4: Simplify right side
   81,667.08x = 7,949,316,225.19
5. Step 5: Solve for x
   x = 7,949,316,225.19/81,667.08
6. Step 6: Final answer
   x = 97,338.07