Finding the Fourth Proportional to 42,900,308.35, 64,350,462.53 and 42,900,308.35

Step by Step Solution

1. Step 1: Write the proportion equation
   42,900,308.35 : 64,350,462.53 = 42,900,308.35 : x
2. Step 2: Convert to fraction form
   42,900,308.35/64,350,462.53 = 42,900,308.35/x
3. Step 3: Cross multiply
   42,900,308.35x = 64,350,462.53 × 42,900,308.35
4. Step 4: Simplify right side
   42,900,308.35x = 2,760,654,684,787,619.50
5. Step 5: Solve for x
   x = 2,760,654,684,787,619.50/42,900,308.35
6. Step 6: Final answer
   x = 64,350,462.53