Finding the Fourth Proportional to 87,078,547.38, 120,141,337.82 and 49,395,505.40

Step by Step Solution

1. Step 1: Write the proportion equation
   87,078,547.38 : 120,141,337.82 = 49,395,505.40 : x
2. Step 2: Convert to fraction form
   87,078,547.38/120,141,337.82 = 49,395,505.40/x
3. Step 3: Cross multiply
   87,078,547.38x = 120,141,337.82 × 49,395,505.40
4. Step 4: Simplify right side
   87,078,547.38x = 5,934,442,101,051,034
5. Step 5: Solve for x
   x = 5,934,442,101,051,034/87,078,547.38
6. Step 6: Final answer
   x = 68,150,448.99