Finding the Fourth Proportional to 42,112,595.90, 63,113,856.78 and 30,480,134.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,112,595.90 : 63,113,856.78 = 30,480,134.88 : x
2. Step 2: Convert to fraction form
   42,112,595.90/63,113,856.78 = 30,480,134.88/x
3. Step 3: Cross multiply
   42,112,595.90x = 63,113,856.78 × 30,480,134.88
4. Step 4: Simplify right side
   42,112,595.90x = 1,923,718,867,451,402.50
5. Step 5: Solve for x
   x = 1,923,718,867,451,402.50/42,112,595.90
6. Step 6: Final answer
   x = 45,680,367.75