Finding the Fourth Proportional to 248,832,109.30, 348,723,271.10 and 248,832,109.30

Step by Step Solution

1. Step 1: Write the proportion equation
   248,832,109.30 : 348,723,271.10 = 248,832,109.30 : x
2. Step 2: Convert to fraction form
   248,832,109.30/348,723,271.10 = 248,832,109.30/x
3. Step 3: Cross multiply
   248,832,109.30x = 348,723,271.10 × 248,832,109.30
4. Step 4: Simplify right side
   248,832,109.30x = 86,773,547,109,808,736
5. Step 5: Solve for x
   x = 86,773,547,109,808,736/248,832,109.30
6. Step 6: Final answer
   x = 348,723,271.10