Finding the Fourth Proportional to 123,184.76, 184,788.95 and 56,643.39

Step by Step Solution

1. Step 1: Write the proportion equation
   123,184.76 : 184,788.95 = 56,643.39 : x
2. Step 2: Convert to fraction form
   123,184.76/184,788.95 = 56,643.39/x
3. Step 3: Cross multiply
   123,184.76x = 184,788.95 × 56,643.39
4. Step 4: Simplify right side
   123,184.76x = 10,467,072,279.32
5. Step 5: Solve for x
   x = 10,467,072,279.32/123,184.76
6. Step 6: Final answer
   x = 84,970.52