Finding the Fourth Proportional to 152,655, 210,663.90 and 93,039

Step by Step Solution

1. Step 1: Write the proportion equation
   152,655 : 210,663.90 = 93,039 : x
2. Step 2: Convert to fraction form
   152,655/210,663.90 = 93,039/x
3. Step 3: Cross multiply
   152,655x = 210,663.90 × 93,039
4. Step 4: Simplify right side
   152,655x = 19,599,958,592.10
5. Step 5: Solve for x
   x = 19,599,958,592.10/152,655
6. Step 6: Final answer
   x = 128,393.82