Finding the Fourth Proportional to 65,308,071.48, 97,976,278.98 and 19,868,685

Step by Step Solution

1. Step 1: Write the proportion equation
   65,308,071.48 : 97,976,278.98 = 19,868,685 : x
2. Step 2: Convert to fraction form
   65,308,071.48/97,976,278.98 = 19,868,685/x
3. Step 3: Cross multiply
   65,308,071.48x = 97,976,278.98 × 19,868,685
4. Step 4: Simplify right side
   65,308,071.48x = 1,946,659,824,525,741.50
5. Step 5: Solve for x
   x = 1,946,659,824,525,741.50/65,308,071.48
6. Step 6: Final answer
   x = 29,807,338.98