Finding the Fourth Proportional to 53,172,164.81, 73,402,102.53 and 31,142,623.16

Step by Step Solution

1. Step 1: Write the proportion equation
   53,172,164.81 : 73,402,102.53 = 31,142,623.16 : x
2. Step 2: Convert to fraction form
   53,172,164.81/73,402,102.53 = 31,142,623.16/x
3. Step 3: Cross multiply
   53,172,164.81x = 73,402,102.53 × 31,142,623.16
4. Step 4: Simplify right side
   53,172,164.81x = 2,285,934,018,426,978
5. Step 5: Solve for x
   x = 2,285,934,018,426,978/53,172,164.81
6. Step 6: Final answer
   x = 42,991,178.31