Finding the Fourth Proportional to 123,399.51, 184,852.62 and 56,748.30

Step by Step Solution

1. Step 1: Write the proportion equation
   123,399.51 : 184,852.62 = 56,748.30 : x
2. Step 2: Convert to fraction form
   123,399.51/184,852.62 = 56,748.30/x
3. Step 3: Cross multiply
   123,399.51x = 184,852.62 × 56,748.30
4. Step 4: Simplify right side
   123,399.51x = 10,490,071,935.55
5. Step 5: Solve for x
   x = 10,490,071,935.55/123,399.51
6. Step 6: Final answer
   x = 85,009.02