Finding the Fourth Proportional to 68,492,123.16, 102,740,054.76 and 19,968,804.24

Step by Step Solution

1. Step 1: Write the proportion equation
   68,492,123.16 : 102,740,054.76 = 19,968,804.24 : x
2. Step 2: Convert to fraction form
   68,492,123.16/102,740,054.76 = 19,968,804.24/x
3. Step 3: Cross multiply
   68,492,123.16x = 102,740,054.76 × 19,968,804.24
4. Step 4: Simplify right side
   68,492,123.16x = 2,051,596,041,109,320
5. Step 5: Solve for x
   x = 2,051,596,041,109,320/68,492,123.16
6. Step 6: Final answer
   x = 29,953,751.56