Finding the Fourth Proportional to 90,939,231.96, 136,406,888.52 and 25,358,622.72

Step by Step Solution

1. Step 1: Write the proportion equation
   90,939,231.96 : 136,406,888.52 = 25,358,622.72 : x
2. Step 2: Convert to fraction form
   90,939,231.96/136,406,888.52 = 25,358,622.72/x
3. Step 3: Cross multiply
   90,939,231.96x = 136,406,888.52 × 25,358,622.72
4. Step 4: Simplify right side
   90,939,231.96x = 3,459,090,822,387,779.50
5. Step 5: Solve for x
   x = 3,459,090,822,387,779.50/90,939,231.96
6. Step 6: Final answer
   x = 38,037,387.69