Finding the Fourth Proportional to 97,667.16, 134,793.12 and 55,224.78

Step by Step Solution

1. Step 1: Write the proportion equation
   97,667.16 : 134,793.12 = 55,224.78 : x
2. Step 2: Convert to fraction form
   97,667.16/134,793.12 = 55,224.78/x
3. Step 3: Cross multiply
   97,667.16x = 134,793.12 × 55,224.78
4. Step 4: Simplify right side
   97,667.16x = 7,443,920,397.51
5. Step 5: Solve for x
   x = 7,443,920,397.51/97,667.16
6. Step 6: Final answer
   x = 76,217.23