Finding the Fourth Proportional to 107,897.32, 148,844.82 and 72,098.56

Step by Step Solution

1. Step 1: Write the proportion equation
   107,897.32 : 148,844.82 = 72,098.56 : x
2. Step 2: Convert to fraction form
   107,897.32/148,844.82 = 72,098.56/x
3. Step 3: Cross multiply
   107,897.32x = 148,844.82 × 72,098.56
4. Step 4: Simplify right side
   107,897.32x = 10,731,497,185.46
5. Step 5: Solve for x
   x = 10,731,497,185.46/107,897.32
6. Step 6: Final answer
   x = 99,460.28