Finding the Fourth Proportional to 152,521, 210,478.98 and 92,905

Step by Step Solution

1. Step 1: Write the proportion equation
   152,521 : 210,478.98 = 92,905 : x
2. Step 2: Convert to fraction form
   152,521/210,478.98 = 92,905/x
3. Step 3: Cross multiply
   152,521x = 210,478.98 × 92,905
4. Step 4: Simplify right side
   152,521x = 19,554,549,636.90
5. Step 5: Solve for x
   x = 19,554,549,636.90/152,521
6. Step 6: Final answer
   x = 128,208.90