Finding the Fourth Proportional to 89,201,902.95, 133,806,482.78 and 42,491,376.09

Step by Step Solution

1. Step 1: Write the proportion equation
   89,201,902.95 : 133,806,482.78 = 42,491,376.09 : x
2. Step 2: Convert to fraction form
   89,201,902.95/133,806,482.78 = 42,491,376.09/x
3. Step 3: Cross multiply
   89,201,902.95x = 133,806,482.78 × 42,491,376.09
4. Step 4: Simplify right side
   89,201,902.95x = 5,685,621,582,872,633
5. Step 5: Solve for x
   x = 5,685,621,582,872,633/89,201,902.95
6. Step 6: Final answer
   x = 63,738,792.50