Finding the Fourth Proportional to 139,200.76, 208,733.10 and 97,101.01

Step by Step Solution

1. Step 1: Write the proportion equation
   139,200.76 : 208,733.10 = 97,101.01 : x
2. Step 2: Convert to fraction form
   139,200.76/208,733.10 = 97,101.01/x
3. Step 3: Cross multiply
   139,200.76x = 208,733.10 × 97,101.01
4. Step 4: Simplify right side
   139,200.76x = 20,268,194,830.43
5. Step 5: Solve for x
   x = 20,268,194,830.43/139,200.76
6. Step 6: Final answer
   x = 145,604.05