Finding the Fourth Proportional to 56,050.56, 77,346.72 and 30,898.08

Step by Step Solution

1. Step 1: Write the proportion equation
   56,050.56 : 77,346.72 = 30,898.08 : x
2. Step 2: Convert to fraction form
   56,050.56/77,346.72 = 30,898.08/x
3. Step 3: Cross multiply
   56,050.56x = 77,346.72 × 30,898.08
4. Step 4: Simplify right side
   56,050.56x = 2,389,865,142.30
5. Step 5: Solve for x
   x = 2,389,865,142.30/56,050.56
6. Step 6: Final answer
   x = 42,637.67