Finding the Fourth Proportional to 89,636,256.61, 134,459,152.61 and 28,230,217.36

Step by Step Solution

1. Step 1: Write the proportion equation
   89,636,256.61 : 134,459,152.61 = 28,230,217.36 : x
2. Step 2: Convert to fraction form
   89,636,256.61/134,459,152.61 = 28,230,217.36/x
3. Step 3: Cross multiply
   89,636,256.61x = 134,459,152.61 × 28,230,217.36
4. Step 4: Simplify right side
   89,636,256.61x = 3,795,811,103,744,412.50
5. Step 5: Solve for x
   x = 3,795,811,103,744,412.50/89,636,256.61
6. Step 6: Final answer
   x = 42,346,827.58