Finding the Fourth Proportional to 89,688,045.57, 123,769,501.88 and 48,434,937.95

Step by Step Solution

1. Step 1: Write the proportion equation
   89,688,045.57 : 123,769,501.88 = 48,434,937.95 : x
2. Step 2: Convert to fraction form
   89,688,045.57/123,769,501.88 = 48,434,937.95/x
3. Step 3: Cross multiply
   89,688,045.57x = 123,769,501.88 × 48,434,937.95
4. Step 4: Simplify right side
   89,688,045.57x = 5,994,768,142,799,186
5. Step 5: Solve for x
   x = 5,994,768,142,799,186/89,688,045.57
6. Step 6: Final answer
   x = 66,840,213.82