Finding the Fourth Proportional to 112,748.12, 169,126.28 and 37,870.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,748.12 : 169,126.28 = 37,870.72 : x
2. Step 2: Convert to fraction form
   112,748.12/169,126.28 = 37,870.72/x
3. Step 3: Cross multiply
   112,748.12x = 169,126.28 × 37,870.72
4. Step 4: Simplify right side
   112,748.12x = 6,404,933,994.52
5. Step 5: Solve for x
   x = 6,404,933,994.52/112,748.12
6. Step 6: Final answer
   x = 56,807.46