Finding the Fourth Proportional to 56,154.51, 77,493.24 and 31,004.01

Step by Step Solution

1. Step 1: Write the proportion equation
   56,154.51 : 77,493.24 = 31,004.01 : x
2. Step 2: Convert to fraction form
   56,154.51/77,493.24 = 31,004.01/x
3. Step 3: Cross multiply
   56,154.51x = 77,493.24 × 31,004.01
4. Step 4: Simplify right side
   56,154.51x = 2,402,601,187.89
5. Step 5: Solve for x
   x = 2,402,601,187.89/56,154.51
6. Step 6: Final answer
   x = 42,785.54