Finding the Fourth Proportional to 85,131.04, 117,448.86 and 49,307.98

Step by Step Solution

1. Step 1: Write the proportion equation
   85,131.04 : 117,448.86 = 49,307.98 : x
2. Step 2: Convert to fraction form
   85,131.04/117,448.86 = 49,307.98/x
3. Step 3: Cross multiply
   85,131.04x = 117,448.86 × 49,307.98
4. Step 4: Simplify right side
   85,131.04x = 5,791,166,039.90
5. Step 5: Solve for x
   x = 5,791,166,039.90/85,131.04
6. Step 6: Final answer
   x = 68,026.49