Finding the Fourth Proportional to 152,315.69, 228,521.33 and 91,595.84

Step by Step Solution

1. Step 1: Write the proportion equation
   152,315.69 : 228,521.33 = 91,595.84 : x
2. Step 2: Convert to fraction form
   152,315.69/228,521.33 = 91,595.84/x
3. Step 3: Cross multiply
   152,315.69x = 228,521.33 × 91,595.84
4. Step 4: Simplify right side
   152,315.69x = 20,931,602,721.29
5. Step 5: Solve for x
   x = 20,931,602,721.29/152,315.69
6. Step 6: Final answer
   x = 137,422.50