Finding the Fourth Proportional to 148,776.59, 205,374.54 and 100,443.98

Step by Step Solution

1. Step 1: Write the proportion equation
   148,776.59 : 205,374.54 = 100,443.98 : x
2. Step 2: Convert to fraction form
   148,776.59/205,374.54 = 100,443.98/x
3. Step 3: Cross multiply
   148,776.59x = 205,374.54 × 100,443.98
4. Step 4: Simplify right side
   148,776.59x = 20,628,636,188.27
5. Step 5: Solve for x
   x = 20,628,636,188.27/148,776.59
6. Step 6: Final answer
   x = 138,655.12