Finding the Fourth Proportional to 89,574,437.30, 134,382,978.99 and 28,990,164.02

Step by Step Solution

1. Step 1: Write the proportion equation
   89,574,437.30 : 134,382,978.99 = 28,990,164.02 : x
2. Step 2: Convert to fraction form
   89,574,437.30/134,382,978.99 = 28,990,164.02/x
3. Step 3: Cross multiply
   89,574,437.30x = 134,382,978.99 × 28,990,164.02
4. Step 4: Simplify right side
   89,574,437.30x = 3,895,784,602,416,314
5. Step 5: Solve for x
   x = 3,895,784,602,416,314/89,574,437.30
6. Step 6: Final answer
   x = 43,492,147.09