Finding the Fourth Proportional to 522,638,112.20, 784,501,958.52 and 231,709,545.50

Step by Step Solution

1. Step 1: Write the proportion equation
   522,638,112.20 : 784,501,958.52 = 231,709,545.50 : x
2. Step 2: Convert to fraction form
   522,638,112.20/784,501,958.52 = 231,709,545.50/x
3. Step 3: Cross multiply
   522,638,112.20x = 784,501,958.52 × 231,709,545.50
4. Step 4: Simplify right side
   522,638,112.20x = 181,776,592,248,606,528
5. Step 5: Solve for x
   x = 181,776,592,248,606,528/522,638,112.20
6. Step 6: Final answer
   x = 347,805,848.84