Finding the Fourth Proportional to 31,018,412.58, 46,506,072.65 and 13,737,196.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,018,412.58 : 46,506,072.65 = 13,737,196.50 : x
2. Step 2: Convert to fraction form
   31,018,412.58/46,506,072.65 = 13,737,196.50/x
3. Step 3: Cross multiply
   31,018,412.58x = 46,506,072.65 × 13,737,196.50
4. Step 4: Simplify right side
   31,018,412.58x = 638,863,058,436,325.75
5. Step 5: Solve for x
   x = 638,863,058,436,325.75/31,018,412.58
6. Step 6: Final answer
   x = 20,596,252.53