Finding the Fourth Proportional to 91,905.63, 137,664.71 and 42,027.71

Step by Step Solution

1. Step 1: Write the proportion equation
   91,905.63 : 137,664.71 = 42,027.71 : x
2. Step 2: Convert to fraction form
   91,905.63/137,664.71 = 42,027.71/x
3. Step 3: Cross multiply
   91,905.63x = 137,664.71 × 42,027.71
4. Step 4: Simplify right side
   91,905.63x = 5,785,731,610.65
5. Step 5: Solve for x
   x = 5,785,731,610.65/91,905.63
6. Step 6: Final answer
   x = 62,952.96