Finding the Fourth Proportional to 89,814,742.99, 134,721,216.35 and 28,403,912.16

Step by Step Solution

1. Step 1: Write the proportion equation
   89,814,742.99 : 134,721,216.35 = 28,403,912.16 : x
2. Step 2: Convert to fraction form
   89,814,742.99/134,721,216.35 = 28,403,912.16/x
3. Step 3: Cross multiply
   89,814,742.99x = 134,721,216.35 × 28,403,912.16
4. Step 4: Simplify right side
   89,814,742.99x = 3,826,609,595,293,755.50
5. Step 5: Solve for x
   x = 3,826,609,595,293,755.50/89,814,742.99
6. Step 6: Final answer
   x = 42,605,584.20