Finding the Fourth Proportional to 53,172,165.81, 73,402,103.91 and 31,142,624.16

Step by Step Solution

1. Step 1: Write the proportion equation
   53,172,165.81 : 73,402,103.91 = 31,142,624.16 : x
2. Step 2: Convert to fraction form
   53,172,165.81/73,402,103.91 = 31,142,624.16/x
3. Step 3: Cross multiply
   53,172,165.81x = 73,402,103.91 × 31,142,624.16
4. Step 4: Simplify right side
   53,172,165.81x = 2,285,934,134,622,396.50
5. Step 5: Solve for x
   x = 2,285,934,134,622,396.50/53,172,165.81
6. Step 6: Final answer
   x = 42,991,179.69