Finding the Fourth Proportional to 62,208,055.30, 86,889,723.50 and 62,208,055.30

Step by Step Solution

1. Step 1: Write the proportion equation
   62,208,055.30 : 86,889,723.50 = 62,208,055.30 : x
2. Step 2: Convert to fraction form
   62,208,055.30/86,889,723.50 = 62,208,055.30/x
3. Step 3: Cross multiply
   62,208,055.30x = 86,889,723.50 × 62,208,055.30
4. Step 4: Simplify right side
   62,208,055.30x = 5,405,240,724,489,709
5. Step 5: Solve for x
   x = 5,405,240,724,489,709/62,208,055.30
6. Step 6: Final answer
   x = 86,889,723.50