Finding the Fourth Proportional to 9,431,136, 13,014,967.82 and 5,138,784

Step by Step Solution

1. Step 1: Write the proportion equation
   9,431,136 : 13,014,967.82 = 5,138,784 : x
2. Step 2: Convert to fraction form
   9,431,136/13,014,967.82 = 5,138,784/x
3. Step 3: Cross multiply
   9,431,136x = 13,014,967.82 × 5,138,784
4. Step 4: Simplify right side
   9,431,136x = 66,881,108,368,236.96
5. Step 5: Solve for x
   x = 66,881,108,368,236.96/9,431,136
6. Step 6: Final answer
   x = 7,091,521.99