Finding the Fourth Proportional to 91,070.72, 136,603.52 and 49,598.72

Step by Step Solution

1. Step 1: Write the proportion equation
   91,070.72 : 136,603.52 = 49,598.72 : x
2. Step 2: Convert to fraction form
   91,070.72/136,603.52 = 49,598.72/x
3. Step 3: Cross multiply
   91,070.72x = 136,603.52 × 49,598.72
4. Step 4: Simplify right side
   91,070.72x = 6,775,359,739.49
5. Step 5: Solve for x
   x = 6,775,359,739.49/91,070.72
6. Step 6: Final answer
   x = 74,396.69