Finding the Fourth Proportional to 57,051.41, 78,730.59 and 31,557.32

Step by Step Solution

1. Step 1: Write the proportion equation
   57,051.41 : 78,730.59 = 31,557.32 : x
2. Step 2: Convert to fraction form
   57,051.41/78,730.59 = 31,557.32/x
3. Step 3: Cross multiply
   57,051.41x = 78,730.59 × 31,557.32
4. Step 4: Simplify right side
   57,051.41x = 2,484,526,028.77
5. Step 5: Solve for x
   x = 2,484,526,028.77/57,051.41
6. Step 6: Final answer
   x = 43,548.90