Finding the Fourth Proportional to 163,120,116.98, 225,105,748.89 and 88,781,210.54

Step by Step Solution

1. Step 1: Write the proportion equation
   163,120,116.98 : 225,105,748.89 = 88,781,210.54 : x
2. Step 2: Convert to fraction form
   163,120,116.98/225,105,748.89 = 88,781,210.54/x
3. Step 3: Cross multiply
   163,120,116.98x = 225,105,748.89 × 88,781,210.54
4. Step 4: Simplify right side
   163,120,116.98x = 19,985,160,885,967,460
5. Step 5: Solve for x
   x = 19,985,160,885,967,460/163,120,116.98
6. Step 6: Final answer
   x = 122,518,063.72