Finding the Fourth Proportional to 9,142,188,848, 12,616,326,545.28 and 5,073,174,091.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,142,188,848 : 12,616,326,545.28 = 5,073,174,091.52 : x
2. Step 2: Convert to fraction form
   9,142,188,848/12,616,326,545.28 = 5,073,174,091.52/x
3. Step 3: Cross multiply
   9,142,188,848x = 12,616,326,545.28 × 5,073,174,091.52
4. Step 4: Simplify right side
   9,142,188,848x = 64,004,820,959,670,534,144
5. Step 5: Solve for x
   x = 64,004,820,959,670,534,144/9,142,188,848
6. Step 6: Final answer
   x = 7,001,039,031.66