Finding the Fourth Proportional to 152,185.74, 228,307.32 and 46,980.15

Step by Step Solution

1. Step 1: Write the proportion equation
   152,185.74 : 228,307.32 = 46,980.15 : x
2. Step 2: Convert to fraction form
   152,185.74/228,307.32 = 46,980.15/x
3. Step 3: Cross multiply
   152,185.74x = 228,307.32 × 46,980.15
4. Step 4: Simplify right side
   152,185.74x = 10,725,912,139.70
5. Step 5: Solve for x
   x = 10,725,912,139.70/152,185.74
6. Step 6: Final answer
   x = 70,479.09