Finding the Fourth Proportional to 42,880,271.38, 64,323,206.45 and 31,400,096.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,880,271.38 : 64,323,206.45 = 31,400,096.02 : x
2. Step 2: Convert to fraction form
   42,880,271.38/64,323,206.45 = 31,400,096.02/x
3. Step 3: Cross multiply
   42,880,271.38x = 64,323,206.45 × 31,400,096.02
4. Step 4: Simplify right side
   42,880,271.38x = 2,019,754,858,844,283.50
5. Step 5: Solve for x
   x = 2,019,754,858,844,283.50/42,880,271.38
6. Step 6: Final answer
   x = 47,102,193.94