Finding the Fourth Proportional to 56,796.17, 78,379.23 and 31,303.45

Step by Step Solution

1. Step 1: Write the proportion equation
   56,796.17 : 78,379.23 = 31,303.45 : x
2. Step 2: Convert to fraction form
   56,796.17/78,379.23 = 31,303.45/x
3. Step 3: Cross multiply
   56,796.17x = 78,379.23 × 31,303.45
4. Step 4: Simplify right side
   56,796.17x = 2,453,540,307.34
5. Step 5: Solve for x
   x = 2,453,540,307.34/56,796.17
6. Step 6: Final answer
   x = 43,199.05