Finding the Fourth Proportional to 62,219,005.05, 86,905,053.15 and 62,219,005.05

Step by Step Solution

1. Step 1: Write the proportion equation
   62,219,005.05 : 86,905,053.15 = 62,219,005.05 : x
2. Step 2: Convert to fraction form
   62,219,005.05/86,905,053.15 = 62,219,005.05/x
3. Step 3: Cross multiply
   62,219,005.05x = 86,905,053.15 × 62,219,005.05
4. Step 4: Simplify right side
   62,219,005.05x = 5,407,145,940,810,369
5. Step 5: Solve for x
   x = 5,407,145,940,810,369/62,219,005.05
6. Step 6: Final answer
   x = 86,905,053.15