Finding the Fourth Proportional to 139,637,582.12, 209,312,655.61 and 61,951,072.00

Step by Step Solution

1. Step 1: Write the proportion equation
   139,637,582.12 : 209,312,655.61 = 61,951,072.00 : x
2. Step 2: Convert to fraction form
   139,637,582.12/209,312,655.61 = 61,951,072.00/x
3. Step 3: Cross multiply
   139,637,582.12x = 209,312,655.61 × 61,951,072.00
4. Step 4: Simplify right side
   139,637,582.12x = 12,967,143,398,036,456
5. Step 5: Solve for x
   x = 12,967,143,398,036,456/139,637,582.12
6. Step 6: Final answer
   x = 92,862,846.82