Finding the Fourth Proportional to 89,814,740.18, 134,721,212.14 and 28,403,909.35

Step by Step Solution

1. Step 1: Write the proportion equation
   89,814,740.18 : 134,721,212.14 = 28,403,909.35 : x
2. Step 2: Convert to fraction form
   89,814,740.18/134,721,212.14 = 28,403,909.35/x
3. Step 3: Cross multiply
   89,814,740.18x = 134,721,212.14 × 28,403,909.35
4. Step 4: Simplify right side
   89,814,740.18x = 3,826,609,096,738,866.50
5. Step 5: Solve for x
   x = 3,826,609,096,738,866.50/89,814,740.18
6. Step 6: Final answer
   x = 42,605,579.99