Finding the Fourth Proportional to 56,490.42, 84,602.01 and 49,054.48

Step by Step Solution

1. Step 1: Write the proportion equation
   56,490.42 : 84,602.01 = 49,054.48 : x
2. Step 2: Convert to fraction form
   56,490.42/84,602.01 = 49,054.48/x
3. Step 3: Cross multiply
   56,490.42x = 84,602.01 × 49,054.48
4. Step 4: Simplify right side
   56,490.42x = 4,150,107,607.50
5. Step 5: Solve for x
   x = 4,150,107,607.50/56,490.42
6. Step 6: Final answer
   x = 73,465.69