Finding the Fourth Proportional to 21,712,846.99, 32,570,317.98 and 7,139,443.84

Step by Step Solution

1. Step 1: Write the proportion equation
   21,712,846.99 : 32,570,317.98 = 7,139,443.84 : x
2. Step 2: Convert to fraction form
   21,712,846.99/32,570,317.98 = 7,139,443.84/x
3. Step 3: Cross multiply
   21,712,846.99x = 32,570,317.98 × 7,139,443.84
4. Step 4: Simplify right side
   21,712,846.99x = 232,533,956,069,152.25
5. Step 5: Solve for x
   x = 232,533,956,069,152.25/21,712,846.99
6. Step 6: Final answer
   x = 10,709,510.19