Finding the Fourth Proportional to 97,499, 134,418.51 and 77,422.34

Step by Step Solution

1. Step 1: Write the proportion equation
   97,499 : 134,418.51 = 77,422.34 : x
2. Step 2: Convert to fraction form
   97,499/134,418.51 = 77,422.34/x
3. Step 3: Cross multiply
   97,499x = 134,418.51 × 77,422.34
4. Step 4: Simplify right side
   97,499x = 10,406,995,196.40
5. Step 5: Solve for x
   x = 10,406,995,196.40/97,499
6. Step 6: Final answer
   x = 106,739.51