Finding the Fourth Proportional to 91,456,570.40, 137,162,890.02 and 42,225,122.04

Step by Step Solution

1. Step 1: Write the proportion equation
   91,456,570.40 : 137,162,890.02 = 42,225,122.04 : x
2. Step 2: Convert to fraction form
   91,456,570.40/137,162,890.02 = 42,225,122.04/x
3. Step 3: Cross multiply
   91,456,570.40x = 137,162,890.02 × 42,225,122.04
4. Step 4: Simplify right side
   91,456,570.40x = 5,791,719,771,254,962
5. Step 5: Solve for x
   x = 5,791,719,771,254,962/91,456,570.40
6. Step 6: Final answer
   x = 63,327,541.65