Finding the Fourth Proportional to 11,696,434.16, 16,136,136.59 and 7,830,200.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,696,434.16 : 16,136,136.59 = 7,830,200.88 : x
2. Step 2: Convert to fraction form
   11,696,434.16/16,136,136.59 = 7,830,200.88/x
3. Step 3: Cross multiply
   11,696,434.16x = 16,136,136.59 × 7,830,200.88
4. Step 4: Simplify right side
   11,696,434.16x = 126,349,190,887,667.20
5. Step 5: Solve for x
   x = 126,349,190,887,667.20/11,696,434.16
6. Step 6: Final answer
   x = 10,802,368.42