Finding the Fourth Proportional to 47,256,056.10, 70,899,830.55 and 42,176,384.10

Step by Step Solution

1. Step 1: Write the proportion equation
   47,256,056.10 : 70,899,830.55 = 42,176,384.10 : x
2. Step 2: Convert to fraction form
   47,256,056.10/70,899,830.55 = 42,176,384.10/x
3. Step 3: Cross multiply
   47,256,056.10x = 70,899,830.55 × 42,176,384.10
4. Step 4: Simplify right side
   47,256,056.10x = 2,990,298,485,901,714
5. Step 5: Solve for x
   x = 2,990,298,485,901,714/47,256,056.10
6. Step 6: Final answer
   x = 63,278,629.93