Finding the Fourth Proportional to 147,618,111.10, 221,427,166.65 and 147,618,111.10

Step by Step Solution

1. Step 1: Write the proportion equation
   147,618,111.10 : 221,427,166.65 = 147,618,111.10 : x
2. Step 2: Convert to fraction form
   147,618,111.10/221,427,166.65 = 147,618,111.10/x
3. Step 3: Cross multiply
   147,618,111.10x = 221,427,166.65 × 147,618,111.10
4. Step 4: Simplify right side
   147,618,111.10x = 32,686,660,087,097,916
5. Step 5: Solve for x
   x = 32,686,660,087,097,916/147,618,111.10
6. Step 6: Final answer
   x = 221,427,166.65